android sqlite 日期查询

例1.
select datetime('now');
结果：2006-10-17 12:55:54
例2.
select datetime('2006-10-17');
结果：2006-10-17 12:00:00
例3.
select datetime('2006-10-17 00:20:00','+1 hour','-12 minute');
结果：2006-10-17 01:08:00
例4.
select date('2006-10-17','+1 day','+1 year');
结果：2007-10-18
例5.
select datetime('now','start of year');
结果：2006-01-01 00:00:00
例6.
select datetime('now','start of month');
结果：2006-10-01 00:00:00
例7.
select datetime('now','start of day');
结果：2006-10-17 00:00:00
例8.
select datetime('now','+10 hour','start of day','+10 hour');
结果：2006-10-17 10:00:00
例9.
select datetime('now','localtime');
结果：2006-10-17 21:21:47
例10.
select datetime('now','+8 hour');
结果：2006-10-17 21:24:45

 

数据库中有

 

integer      text

id              datatime

1               2010-01-01

2               2010-01-02

2               2010-01-03

2               2010-01-04

2               2010-01-05

2               2010-01-06

2               2010-01-07

 

select * from a where datatime>"2010-01-04"

 

查询结果

 

2               2010-01-05

2               2010-01-06

2               2010-01-07

 

 

 

 

-----------------------

+------------+----+

6 rows in set

 

sqlite> select * from a where datime>'2000-01-01';

1 - no such column: datime

sqlite> select * from a where datt

ime>'2000-01-01';

+------------+----+

| dattime    | id |

+------------+----+

| 2000-01-02 | 2  |

| 2000-01-03 | 3  |

| 2015-09-09 | 4  |

| 2012-05-05 | 5  |

+------------+----+

4 rows in set

sqlite> select * from a where dattime>'2000-01-01';

+------------+----+

| dattime    | id |

+------------+----+

| 2000-01-02 | 2  |

| 2000-01-03 | 3  |

| 2015-09-09 | 4  |

| 2012-05-05 | 5  |

| 4534       | 6  |

+------------+----+

5 rows in set

 

sqlite> select * from a where dattime>'2000-01-01' and datime != '4534';

1 - no such column: datime

sqlite> select * from a where dattime>'2000-01-01' and dattime != '4534';

+------------+----+

| dattime    | id |

+------------+----+

| 2000-01-02 | 2  |

| 2000-01-03 | 3  |

| 2015-09-09 | 4  |

| 2012-05-05 | 5  |

+------------+----+

4 rows in set